217966120

素因数分解:

$2^3\times 5^1\times {\mathrm{5449153}}^1$

素因数の和:5449164

約数の個数: 16

約数和(自身を含む): 490423860

約数和(自身を除く): 272457740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5449153, 10898306, 21796612, 27245765, 43593224, 54491530, 108983060, 217966120]

約数ペア:

[(1, 217966120), (2, 108983060), (4, 54491530), (5, 43593224), (8, 27245765), (10, 21796612), (20, 10898306), (40, 5449153)]